* dwarf2loc.c (read_pieced_value): Handle get_frame_register_bytes
returning that the register piece is unavailable/optimized out.
(write_pieced_value): Handle get_frame_register_bytes returning
that the register piece is unavailable/optimized out when doing a
read-modify write of a bitfield.
* findvar.c (value_from_register): Handle get_frame_register_bytes
returning that the register piece is unavailable/optimized out.
* frame.c (get_frame_register_bytes): New parameters `optimizedp'
and `unavailablep'. Throw error on bad debug info. Use
frame_register instead of frame_register_read, to fill in the new
arguments.
* frame.h (get_frame_register_bytes): New parameters `optimizedp'
and `unavailablep'.
* valops.c: (value_assign): Adjust, and handle
get_frame_register_bytes failing.
* spu-tdep.c: Include exceptions.h.
(spu_software_single_step): Adjust, and handle
get_frame_register_bytes failing.
(spu_get_longjmp_target): Ditto.
* gdbarch.sh (register_to_value): Change to return int. New
parameters `optimizedp' and `unavailablep'.
* gdbarch.h, gdbarch.c: Regenerate.
* i386-tdep.c (i386_register_to_value): Adjust to new
gdbarch_register_to_value interface.
* i387-tdep.c (i387_register_to_value): Ditto.
* i387-tdep.h (i387_register_to_value): Ditto.
* alpha-tdep.c (alpha_register_to_value): Ditto.
* ia64-tdep.c (ia64_register_to_value): Ditto.
* m68k-tdep.c (m68k_register_to_value): Ditto.
* mips-tdep.c (mips_register_to_value): Ditto.
* rs6000-tdep.c (rs6000_register_to_value): Ditto.
* regcache.h (regcache_raw_read, regcache_raw_read_signed)
(regcache_raw_read_unsigned, regcache_raw_read_signed)
(regcache_raw_read_unsigned, regcache_raw_read_part)
(regcache_cooked_read, regcache_cooked_read_signed)
(regcache_cooked_read_unsigned, regcache_cooked_read_part)
(regcache_cooked_read_ftype): Change return to enum
register_status.
* regcache.c: Include exceptions.h
(regcache_save): Adjust to handle REG_UNAVAILABLE registers.
(do_cooked_read): Change return to enum register_status. Always
forward to regcache_cooked_read.
(regcache_raw_read): Change return to enum register_status. If
the register is not REG_VALID, memset the buffer. Return the
register's status.
(regcache_raw_read_signed): Handle non-REG_VALID registers and
return the register's status.
(regcache_raw_read_unsigned): Ditto.
(regcache_cooked_read): Change return to enum register_status.
Assert that with read-only regcaches, the register's status must
be known. If the regcache is read-only, and the register is not
REG_VALID, memset the buffer. Return the register's status.
(regcache_cooked_read_signed): Change return to enum
register_status. Handle non-REG_VALID registers and return the
register's status.
(regcache_cooked_read_unsigned): Change return to enum
register_status. Handle non-REG_VALID registers and return the
register's status.
(regcache_xfer_part, regcache_raw_read_part)
(regcache_cooked_read_part): Change return to enum
register_status. Return the register's status.
(regcache_read_pc): Throw NOT_AVAILABLE_ERROR if the register is
unavailable.
(regcache_dump): Handle unavailable cooked registers.
* frame.c (do_frame_register_read): Adjust interface to match
regcache_cooked_read_ftype.
* gdbarch.sh (pseudo_register_read): Change return to enum
register_status.
* gdbarch.h, gdbarch.c: Regenerate.
* i386-tdep.h (i386_pseudo_register_read): Change return to enum
register_status.
* i386-tdep.c (i386_pseudo_register_read): Change return to enum
register_status. If reading a raw register indicates the raw
register is not valid, return the raw register's status,
otherwise, return REG_VALID.
* amd64-tdep.c (amd64_pseudo_register_read): Change return to enum
register_status. Handle non-REG_VALID raw registers and return
the register's status.
* arm-tdep.c (arm_neon_quad_read)
(arm_pseudo_read): Change return to enum register_status. Handle
non-REG_VALID raw registers and return the register's status.
* avr-tdep.c (avr_pseudo_register_read): Ditto.
* frv-tdep.c (frv_pseudo_register_read): Ditto.
* h8300-tdep.c (h8300_pseudo_register_read): Ditto.
* hppa-tdep.c (hppa_pseudo_register_read): Ditto.
* m32c-tdep.c (m32c_move_reg_t): Change return to enum
register_status.
(m32c_raw_read, m32c_raw_write, m32c_banked_read)
(m32c_banked_write, m32c_sb_read, m32c_sb_write, m32c_part_read)
(m32c_part_write, m32c_cat_read, m32c_cat_write)
(m32c_r3r2r1r0_read, m32c_r3r2r1r0_write)
(m32c_pseudo_register_read): Change return to enum
register_status. Adjust.
* m68hc11-tdep.c (m68hc11_pseudo_register_read): Change return to
enum register_status. Return the register's status.
* mep-tdep.c (mep_pseudo_cr32_read): Change return to enum
register_status. Return the register's status.
(mep_pseudo_cr64_read, mep_pseudo_register_read): Ditto.
* mips-tdep.c (mips_pseudo_register_read): Ditto.
* mt-tdep.c (mt_pseudo_register_read): Ditto.
* rs6000-tdep.c (move_ev_register_func): New typedef.
(e500_move_ev_register): Use it. Change return to enum
register_status. Return the register's status.
(do_regcache_raw_read): New function.
(do_regcache_raw_write): New function.
(e500_pseudo_register_read): Change return to enum
register_status. Return the register's status. Use
do_regcache_raw_read.
(e500_pseudo_register_write): Adjust. Use do_regcache_raw_write.
(dfp_pseudo_register_read): Change return to enum register_status.
Return the register's status.
(vsx_pseudo_register_read): Ditto.
(efpr_pseudo_register_read): Ditto.
(rs6000_pseudo_register_read): Ditto.
* s390-tdep.c (s390_pseudo_register_read): Change return to enum
register_status. Return the register's status.
* sh64-tdep.c (pseudo_register_read_portions): New function.
(sh64_pseudo_register_read): Change return to enum
register_status. Use pseudo_register_read_portions. Return the
register's status.
* ia64-tdep.c (ia64_pseudo_register_read): Change return to enum
register_status. Return the register's status.
* sh-tdep.c (pseudo_register_read_portions): New function.
(sh_pseudo_register_read): Change return to enum register_status.
Use pseudo_register_read_portions. Return the register's status.
* sparc-tdep.c (sparc32_pseudo_register_read): Change return to
enum register_status. Return the register's status.
* sparc64-tdep.c (sparc64_pseudo_register_read): Ditto.
* spu-tdep.c (spu_pseudo_register_read_spu)
(spu_pseudo_register_read): Ditto.
* xtensa-tdep.c (xtensa_register_read_masked)
(xtensa_pseudo_register_read): Ditto.
* bfin-tdep.c (bfin_pseudo_register_read): Ditto.
* i386-tdep.c (i386_process_record): Rename l suffixes to d suffixes
in comments for pcmpgtd, pcmpeqd, psubd, paddd, pcmpgtd, pcmpeqd,
psubd and paddd.
PR 12361.
* i386-tdep.c (i386_process_record) <0x660f3807>: Fix the comment to
phsubsw.
(i386_process_record) <lddqu>: Fix the opcode to 0xf20ff0.
(i386_process_record) <0x0f3807>: Fix the comment to phsubsw.
* i386-tdep.c (i386_record_lea_modrm): Change warning to query.
(i386_process_record): Ditto.
* record.c (record_memory_query): New variable.
(_initialize_record): New command "set record memory-query".
* record.h (record_memory_query): New extern.
2010-06-22 Hui Zhu <teawater@gmail.com>
* gdb.texinfo: (Process Record and Replay): Add documentation
for command "set record memory-query".
* i386-tdep.c (i386_displaced_step_copy_insn): New function.
(i386_syscall_p): Change type of lengthp to int.
(i386_displaced_step_fixup): Handle kernels that run one past a
syscall insn.
* i386-linux-tdep.c (i386_linux_init_abi): Use
i386_displaced_step_copy_insn instead of
simple_displaced_step_copy_insn.
* i386-tdep.c (i386_record_lea_modrm_addr): Rename local variables
tmpu8, tmpi16, tmpi32, tmpulongest to addr8, addr16, addr32, addr64.
(i386_record_push): Rename local tmpulongest to addr.
(i386_process_record): Rename local tmpulongest to addr.
* i386-tdep.c: Support for floating point recording.
Records and Replay the i386 floating point registers,
of i387 FPU.
(i386_record_floats): New function.
(i386_process_record): Implement FP insns.
Add AMD64 process record instruction set support.
* i386-tdep.h (gdbarch_tdep): Add record_regmap for registers
because the AMD64's registers order in GDB is not same with
I386 instructions.
Add i386_syscall_record to be the syscall function handle
interface.
(record_i386_regnum): Number for record_regmap.
* i386-tdep.c (OT_QUAD): For 64 bits.
(i386_record_s): Add rex_x, rex_b, rip_offset and
popl_esp_hack for AMD64 instruction set. And regmap for
record_regmap.
(i386_record_lea_modrm_addr): Support AMD64 instruction set
64 bits lea.
(i386_record_lea_modrm): Ditto.
(i386_record_push): New function. Record the execution log
of push.
(I386_RECORD_ARCH_LIST_ADD_REG): New macro to record the
register.
(i386_process_record): Support AMD64 instruction set.
* amd64-tdep.c (amd64_record_regmap): For record_regmap.
(amd64_init_abi): Set amd64_record_regmap to record_regmap.
* i386-tdep.c: Add a frame unwinder for function epilogues.
(i386_in_function_epilogue_p): New function.
(i386_epilogue_frame_sniffer): New function.
(i386_epilogue_frame_cache): New function.
(i386_epilogue_frame_this_id): New function.
(i386_epilogue_frame_unwind): New struct frame_unwind.
(i386_gdbarch_init): Hook the new unwinder.
